Encelo’s Blog

First of all happy new year to everyone, then let’s talk about this post topic…

During these days I was relaxing and practicing subdivision modeling, after a long time away from Blender I was back to the dream of creating a convincing human head model, but my programming side win the day.
While I was studying in detail some face key parts topology from here, I noticed the PiP-like composed images attached to the first post…

Showing camera keyframes

The previous night I was thinking of a way to automates the process and today it becomes reality in the form of a Blender Python script: it is capable of producing an image which is composed of multiple rendered frames, think of a daily comic strip and you understand the name ;).

The user can select which frames to render specifying a string similar to the following one: “1-3, 5, 7, 9-11“.
Moreover it is possible, of course, to choose the size of a single frame and the composed image table dimensions, i.e. how many rows and columns it should have.
Have a look to how well my topology study renders fit the script purpose.

The resulting composed image

This second script is a bit more complex than my first one, making use of the Registry module to load and save options and the Draw.PupBlock() method to display a bigger GUI.

Of course it is released under the GNU GPL License and available online, download it from here.

It has been a long time since I last wrote something here, during these months two new things happened that are worth to be mentioned: first of all I’m really close to graduation!
Well, actually I need to pass the last exam and spend a period of at least four months of internship, nothing is sure now but I’m in close contact with a game developing company…

The second thing is closely related to this post instead, a couple of months ago I began to convert, following M3xican’s advice, my OpenGL demos to object oriented C++.
What I have now is really not much, nevertheless my class library can load a Stanford PLY model, it is ES 2.0 compliant (this means it will be easily converted to “Pure” OpenGL 3.x), and it can already display both parallax mapping and depth of field!

I’m not going to publish any screenshot by now because I think it’s not the time yet, what I’m showing you is a easy script, my first one, which I wrote yesterday night using the Blender Python API.
What it does is really simple yet time-saving, you select a high-poly and a low-poly model, run the script from the Object->Scripts menu and watch Blender baking your normal and height map and then saving them.

I have also set up an easy compositing nodes configuration to mix the two images in a single parallax map with height data encoded in the alpha channel.

You can download the script from here.
Everything is very simple (and funny!) with the astonishing power of Blender!